package com.cn.wanxi.servlet.user;

import com.alibaba.fastjson.JSONObject;
import com.cn.wanxi.model.ResultModel;
import com.cn.wanxi.model.UserModel;
import com.cn.wanxi.service.UserService;
import com.cn.wanxi.service.impl.UserServiceImpl;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

@WebServlet("/login")
public class LoginServlet extends HttpServlet {
    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {

        //        1.乱码
        req.setCharacterEncoding("UTF-8");
        resp.setCharacterEncoding("UTF-8");
//        2.得到签到传递过来的数据
        String username = req.getParameter("username");
        String password = req.getParameter("password");

//        3.将这些封装成对象
        UserModel model = new UserModel();
        model.setName(username);
        model.setPassword(password);
//        4.调用服务逻辑层
        UserService userService = new UserServiceImpl();
//        5.得到结果信息
        ResultModel resultModel = userService.login(model);
        if ("success".equals(resultModel.getMsg())) {
//            将登录成功的标识符放到某个地方，而且在其他接口访问的时候都能拿到
//            servlet  作用域
            req.getSession().setAttribute(username, username);
        }
//        6.返回前端
        resp.getWriter().println(JSONObject.toJSONString(resultModel));

    }
}
